Arator : A matter of greatest importance compels [me] not to keep silent long as to why it is that the fostering Spirit is given to them as flame [but] at the River Jordan as a dove; I shall fitly sing this [mystery], and I shall fulfill the promises owed if [the Spirit] brings his gifts. These two signs are allegories that there should be simplicity, which very appropriately [this] bird loves, [and] that, lest [this simplicity] be sluggish [and] grow lukewarm without the fire of doctrine, there should also be faith that has been kindled. There [in the Jordan] he appointed by means of the waters [that they be] of one mind; here [with fire] he bids that they teach with flaming words. Love presses hard upon their minds; zeal burns in their words. — ON THE ACTS OF THE APOSTLES 1 Augustine of Hippo : Therefore, when he sent the Holy Spirit he manifested him visibly in two ways—by a dove and by fire: by a dove upon the Lord when he was baptized, by fire upon the disciples when they were gathered together.… The dove shows that those who are sanctified by the Spirit should be without guile. That their simplicity should not continue cold is shown us by the fire. Nor let it trouble you that the tongues were divided; for tongues are diverse, therefore the appearance was that of cloven tongues. "Cloven tongues," it said, "as of fire, and it sat upon each of them." There is a diversity of tongues, but the diversity of tongues does not imply schisms. Do not be afraid of separation in the cloven tongues, but in the dove recognize unity. — TRACTATES ON THE GOSPEL OF John 6.3 Bede : And there appeared to them divided tongues as of fire. For the Holy Spirit appeared in fire and tongues, because all whom He fills He makes both burning and speaking. Burning indeed from themselves, and speaking about themselves. At the same time, indicating that the holy Church, extended to the ends of the world, was to speak with the voice of all nations. — Commentary on Acts Bede : And it sat upon each of them. What is said to have sat is an indication of royal power. Or certainly because His rest is indicated in the saints. — Commentary on Acts Bede : And there appeared to them divided tongues as of fire, and one sat upon each of them, etc. This fire, not this fire. For in Greek it is πυρὸς, not πῦρ. This distinction would be easier to see if, adding a word, it were said: Divided tongues appeared as if of burning fire, or as if of shining fire, so that it may be understood that the tongues were divided in the appearance of fire. — Retractions on Acts Cyril of Jerusalem : They partook of fire, not of burning but of saving fire. This is a fire that consumes the thorns of sins but gives luster to the soul. This is now coming upon you also in order to strip away and consume your sins, which are like thorns, and to brighten yet more that precious possession of your souls, and to give you grace, the same given then to the apostles. The Spirit descended upon them in the form of fiery tongues, that they might crown themselves with new and spiritual diadems by fiery tongues upon their heads. As a fiery sword had barred of old the gates of paradise, a fiery tongue that brought salvation restored the gift. — Catechetical Lecture 17.15 Gregory the Dialogist : For you have heard that the Holy Spirit appeared upon the disciples in tongues of fire and gave them knowledge of all languages. What indeed was signified by this miracle, except that the holy Church, filled with the same Spirit, would speak with the voice of all nations? Those who attempted to build a tower against God lost the communion of one language, but in these who humbly feared God all languages were united. Here therefore humility merited virtue; there pride earned confusion. But we must ask why the Holy Spirit, coeternal with the Father and the Son, appeared in fire; why in fire and tongues together; why He is shown sometimes in a dove, sometimes in fire; why He appeared over the only-begotten Son in the form of a dove, and over the disciples in fire—so that He neither came upon the Lord in fire nor was shown over the disciples in a dove. Let us therefore return by solving these four questions we have proposed. For the Spirit, coeternal with the Father and Son, is shown in fire because God is incorporeal, ineffable, and invisible fire, as Paul attests: "Our God is a consuming fire." God is indeed called fire because through Him the rust of sins is consumed. Of this fire the Truth says: "I came to cast fire upon the earth, and what do I desire except that it burn?" For earthly hearts are called earth, which, while they always heap up base thoughts within themselves, are trampled by malignant spirits. But the Lord casts fire upon the earth when He kindles the hearts of carnal people with the breath of the Holy Spirit. And the earth burns when the carnal heart, cold in its wicked pleasures, abandons the desires of the present age and is set ablaze with love of God. Rightly therefore the Spirit appeared in fire, since from every heart He fills He shakes off the torpor of coldness and kindles it with desire for His eternity. Moreover He was shown in tongues of fire because the same Spirit is coeternal with the Son, and tongue has the greatest kinship with word. For the Son is the Word of the Father. And because the Spirit and the Word are of one substance, the same Spirit had to be shown in a tongue. Or certainly, because word proceeds through the tongue, the Spirit appeared in tongues because whoever is touched by the Holy Spirit confesses God's Word, that is, the only-begotten Son, and cannot deny God's Word because he now has the tongue of the Holy Spirit. Or certainly the Spirit appeared in tongues of fire because all whom He fills He makes both burning and speaking at once. Teachers have tongues of fire because, when they preach that God is to be loved, they set the hearts of their hearers aflame. For the speech of a teacher is idle if it cannot provide the fire of love. — Forty Gospel Homilies, Homily 30 Hippolytus of Rome : This is the Spirit that was given to the apostles in the form of fiery tongues. — Hippolytus Dogmatical and Historical Fragments John Chrysostom : "And there appeared unto them," it says, "cloven tongues like as of fire." Observe how it is always, "like as;" and rightly: that you may have no gross sensible notions of the Spirit. Also, "as it were of a blast:" therefore it was not a wind. "Like as of fire." For when the Spirit was to be made known to John, then it came upon the head of Christ as in the form of a dove: but now, when a whole multitude was to be converted, it is "like as of fire. And it sat upon each of them." This means, that it remained and rested upon them. For the sitting is significant of settledness and continuance. — Homily on Acts 4 John Chrysostom : The roll of a book is given him, and Ezekiel ate what he was about to utter. "And it became in his mouth," it is said, "as honey for sweetness." And again the hand of God touches the tongue of another Prophet; but here it is the Holy Ghost Himself: so equal is He in honor with the Father and the Son. And again, on the other hand, Ezekiel calls it "Lamentations, and mourning, and woe." To them it might well be in the form of a book; for they still needed similitudes. Those had to deal with only one nation, and with their own people; but these with the whole world, and with men whom they never knew. Also Elisha receives the grace through the medium of a mantle; another by oil, as David; and Moses by fire, as we read of him at the bush. But in the present case it is not so; for the fire itself sat upon them. But the story shows, that it is the same here as there. For you are not to stop at this, that "there appeared unto them cloven tongues" but note that they were "of fire." Such a fire as this is able to kindle infinite fuel. Also, it is well said, Cloven, for they were from one root; that you may learn, that it was an operation sent from the Comforter. — Homily on Acts 4 Oecumenius : The Spirit is distributed as tongues of fire, and rests upon each one individually, obviously upon the one hundred and twenty who were also present in the house. For the grace of the Paraclete, though from one root, was being portioned into diverse gifts. And a tongue was needed to proclaim the great things of God, consuming every opposing thing like fire. Fire in form, because the Spirit is God, and so that thereby He might reveal the likeness to the Father, who therefore appears to Moses on the bush. (see Ex. 3:2) And He sits upon each one individually, indicating stability and permanence. For 'He sat down,' it signifies that He remained and ceased again. It means that concerning John it was about to be known to one man, as a dove is seen coming upon the head of Christ. (see Jn. 1:32) But when the whole multitude was to be turned, like fire. And what the Hebrews from old used to think about God, that He is consuming fire. (see Heb. 12:29, Deut. 4:24) Yet also when the disciples persevered in prayer and supplication, and in mutual love, then the guiding Spirit came upon them. — Commentary on Acts Severus of Antioch : And there appeared to them separate tongues: So then, the thorns were consumed, that is, the transgression from Adam was consumed.